This page will help you quickly and easily set up a cron job to run once per day on Wednesday to Thursday.
The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 * * 3-4
This cron command translates to the following (in Human-Readable format):
“Once per day on Wednesday to Thursday.”
What is a Cron Job & Crontab?
A cron job is a time-based task that is set to run at a specific interval. For example, a cron job could be set to run every day at midnight in order to update a database or send out nightly emails. Cron jobs are typically used for maintenance tasks that need to be performed regularly.
A crontab is a table or list of commands that are scheduled to run at specified times. The commands in a crontab file (also called a “cron table”) are normally executed by the cron daemon, which runs in the background and executes these commands automatically.
Cron Fields
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “once per day on Wednesday to Thursday“:
FUN FACT: When configuring a cron job, you can specify the minute, hour, day of the month, month and day of the week when it should run – this gives you a lot of flexibility in terms of when your task will be performed automatically!.
Use Cases
You might want to set up a crontab or cron job to run once per day on Wednesday to Thursday for several reasons, including:
- Sending out a daily email report on Wednesday and Thursday
- Generating a daily backup on Wednesday and Thursday
- Running a security scan on Wednesday and Thursday
- Checking for updates on Wednesday and Thursday
Similar Cron Jobs
You might also want to run a crontab:
- once per week on Monday
- once per week on Saturday
- once per week on Tuesday
- once per week on Wednesday
- once per week on Friday
- once per day on Monday to Thursday
- once per day on Sunday to Tuesday
FUN FACT: When editing your crontab, it is important to use a text editor that supports Unix-style line endings (LF), as opposed to Windows-style line endings (CRLF)..
Wrapping Up
In this article, you learned how to set up a cron job that runs once per day on Wednesday to Thursday. Please share this page with friends and colleagues if you find it useful.
If you have any questions, please don’t hesitate to comment below.
If you are looking for cron jobs that run at certain minutes, hours, days, weekdays, or months, or if you are looking for miscellaneous cron jobs, then check out our relevant sections, or visit our cron job cheat sheet for a list of hundreds of popular cron jobs.